27 lines
1.0 KiB
C
27 lines
1.0 KiB
C
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#ifndef DAT_DNS_H
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#define DAT_DNS_H
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#include <stdint.h>
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#include "dat.h"
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typedef int (*dat_dns_name_iter_fn)(const char *hostname,
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const uint8_t key[DAT_KEY_BYTES], void *context);
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/* Resolve a legacy Dat DNS TXT record such as datkey=<64 hex digits>. */
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int dat_dns_resolve(const char *hostname, uint8_t key[DAT_KEY_BYTES],
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uint32_t *ttl_seconds);
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/* Local dat-dns aliases are stored in $HOME/.dat/dat-dns (or USERPROFILE on
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* native Windows) and override DNS TXT. */
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int dat_dns_name_set(const char *hostname, const uint8_t key[DAT_KEY_BYTES]);
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int dat_dns_name_remove(const char *hostname);
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int dat_dns_name_resolve(const char *hostname, uint8_t key[DAT_KEY_BYTES]);
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int dat_dns_name_for_key(const uint8_t key[DAT_KEY_BYTES], char *hostname,
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size_t hostname_capacity);
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int dat_dns_name_foreach(dat_dns_name_iter_fn callback, void *context);
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/* Decode TXT record character strings from one DNS answer packet. */
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int dat_dns_parse_answer(const uint8_t *packet, unsigned packet_len,
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uint8_t key[DAT_KEY_BYTES], uint32_t *ttl_seconds);
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#endif
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